. >> reporter: good afternoon from boston the most expensive election in history is in the hands of voters. mitt romney on the ground in ohio, hunting for last minute votes. they cast their ballots this morning hoping republicans in key swing states do the same, heading out for a final push in pennsylvania and ohio romney was brimming with confidence about his chances in the buckeye state. >> feel great about ohio. >> reporter: the romney campaign needs to overcome president obama's advantage. poll shows mr. obama a three point edge many romney tracked a large -- large crowd last night. >> your votes and your work in new hampshire will help me become the next president of the united states. >> reporter: president obama and the first lady are home in chicago. the president stopped by a local campaign office. >> you have to tell the team that i appreciate them. >> reporter: the president ended his reelection bid an emotional rally last night in iowa. >> the president: to all of you who lived and breathed the hard work of change i want to thank you. >> reporter: both sides expect the election